Lubricator



( 0 Model.)

0- H. JEWELL. LUBRIGATOR.

No. 270,805. Patented Jan. 16,1888.

N. PETERS. Phan-Lm n lw. Wuhingmn. n.c.

UNITED STATES PATENT OFF-ICE.

OMAR H. JEWELL, OF CHICAGO, ILLINOIS.

LUBRICATOR.

SPECIFICATION fQrming part of Letters Patent No. 270,805, dated January 16,1883.

Application filed December 7, 1882. (No model.)

To all whom it may concern Be it known that I, OMAR H. JEWELL, a citizen of the United States of America, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Lubricators, of which the following is a specification, reference being bad therein to the accompanying drawings.

This invention relates to that description of lubricator or oil-cup which is applicable for a vertical section of the same.

being at each side of the tube a.

use upon a cylinder, steam-chest, or other stationary part of a machine subjected to steampressure, or to ajournal, or to a moving part,

as a connecting-rod, 860.

In the accompanying drawings, Figure l is an elevation of the'lubricating-cnp. Fig. 2 is Fig. 3 is a perspective View of a detail thereof.

Similar letters of reference indicate similar parts in the respective figures.

Ais the outer metallic casing, having a screwshank, with a channel therein leading to the part to be lubricated. B is the glass cylinder. Openings are cut in the casing, so that the interior ot' the cup may be seen. A vertical tube, a, extends from the base of the casing, and has at its upper end an exterior thread, upon which a cap, 1 screws. The upper end of the tube .a is provided with apertures 61. The screw-cap of the casing is shown by O. A screw-plug, e, fits in the top of the cap. A tin plate or partition, f, is placed underneath the glass cylinder D, and divides the cup into two chambers-an upper large one and a lower small one. The platefis perforated, a hole The plate is shown in Fig. 3 detached from the cup. Within the tube a is fitted a loose cylindrical gravitatin g valve, 9, which slides freely up and down within the tube by the pulsations of steam, if the cup is attached to a steam-port of a machine or engine, or if to a moving part-as a connecting-rod-by the motion of the part being more rapid than that to which the valve itself is subject, due to gravity. Near the bottom of the tube a, and below the platef, is a small conical hole, 03, serving as a seat for the conical end of a screw-stem, k, which extends to the outside of the cup, and is provided with a lock-nut, k.

The oil may be fed through the openings [1 in the top of the'tube aalone, or through said openings in connection with the lower hole, 1'. The flow of the oil is regulated by the position of the loose valve 9 with respect to the holes in the tube n. Thus oil received into the upper part of the tube finds its way around the loose valve g, and when the valve is raised from its seat will pass from the cup. When it is desired to discharge a greater amount of oil, this may be done by unseating the screwvalve k, the oil (on the valve 9 being elevated above the aperture 2') flowingin regulated quantitles to the part to be lubricatedt The perforated plate fserves the purpose of a strainer to guard the opening i, and also to prevent the oil within the cup from surging or dashing therein by the movement of any part of the machine to which the cup may be attached.

1 claim as my invention-- 1. The combination, in a cylinder oil-cup, of a central perforated tube the interior of which is in communication with the outlet of the cup, and acylindrical gravitating valve constructed to play within said tube and admit oil to and shut it off from the tube-outlet, substantially a set forth.

2. The combination, in a cylinder oil-cup, of a central perforated tube, a cylindrical gravitating valve adapted to play therein, and a regulating-screw extending beyond the exterior of the cup, substantially as set forth.

3. The combination,in acylinder oil-cuphaving a central perforated tube, of a cylindrical gravitating valve within said tube, and ascrewcap closing the upper end of said tube, sub-.

stantially as set forth.

4. The combination, in a cylinder oil-cup, of a central tube having a perforation at its base, a screw-valve controlling said opening, and a cylindrical gravitating valve within said tube, substantially as set forth.

5. The combination, in a cylinder oil-cup, of a central perforated tube, a screw-valve controlling the opening in said tube, a perforated plate above said opening, and a cylindrical gravitating valve adapted to play within the tube, substantially as set forth.

In testimony whereof I at'fix my signature in presence of two witnesses.

OMAR H. JEWELL.

' Witnesses:

P. R. MARLING, J OHN CARLSON. 

